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This tutorial investigates the genetic diversity in more detail. It also delineates how certain alleles are favored over..

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This tutorial introduces flowing water communities, which bring new and dithering factors into the equation for possible..

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Growth and Plant Hormones

Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..

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Vascular Plants: Ferns and Relatives

Ferns and their relatives are vascular plants, meaning they have xylem and phloem tissues. Because of the presence of va..

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The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

Adaptation Tutorial
Adaptation Tutorial

Adaptation, in biology and ecology, refers to the process or trait through which organisms or the populations in a habit..